| Southborough to Jeffersonville (Indiana) | 4,064.03 mi (6,540.43 km) |
| Southborough to Jenison (Michigan) | 3,857.80 mi (6,208.54 km) |
| Southborough to Jenks (Oklahoma) | 4,577.79 mi (7,367.23 km) |
| Southborough to Jennings (Missouri) | 4,224.13 mi (6,798.08 km) |
| Southborough to Jensen Beach (Florida) | 4,377.16 mi (7,044.36 km) |
| Southborough to Jericho (New York) | 3,462.65 mi (5,572.60 km) |
| Southborough to Jerome (Idaho) | 4,864.96 mi (7,829.39 km) |
| Southborough to Jersey City (New Jersey) | 3,487.24 mi (5,612.16 km) |
| Southborough to Jessup (Maryland) | 3,666.96 mi (5,901.40 km) |
| Southborough to Johns Creek (Georgia) | 4,209.15 mi (6,773.98 km) |
| Southborough to Johnson City (New York) | 3,504.13 mi (5,639.36 km) |
| Southborough to Johnson City (Tennessee) | 4,024.63 mi (6,477.01 km) |
| Southborough to Johnston (Iowa) | 4,211.66 mi (6,778.01 km) |
| Southborough to Johnstown (Colorado) | 4,680.09 mi (7,531.88 km) |
| Southborough to Johnstown (Pennsylvania) | 3,701.67 mi (5,957.26 km) |
